some bode help me plzzzzzzzzzzzzz

aslam o alikum to all ,,i want one question plz some body help me ,,,in 2012 i appeared in PU MA history part 1 ,,,,,now i am preparing for 2013 part 2 ,,,,,can i appear in MA english in 2013 ?or i will have to complete my ma history first? ,,,,i m a private candidate why we cant appear in another subject before completing one masters before?its my wish that i also appear in part 1 for MA english in july and also appear in MA part2 for MA history

aslam o alikum to all ,,i want one question plz some body help me ,,,in 2012 i appeared in PU MA history part 1 ,,,,,now i am preparing for 2013 part 2 ,,,,,can i appear in MA english in 2013 ?or i will have to complete my ma history first? ,,,,i m a private candidate why we cant appear in another subject before completing one masters before?its my wish that i also appear in part 1 for MA english in july and also appear in MA part2 for MA history ACCORDING TO MY INFORMATION YOU HAVE TO COMPLETE YOUR MA HISTORY